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53051688428280 = 23353641831213943
BaseRepresentation
bin11000001000000000011110…
…00010110010001011111000
320221211200200101022202101120
430010000033002302023320
523423144324214201110
6304455335331145240
714113600203156333
oct1404001702621370
9227750611282346
1053051688428280
11159a4105076a93
125b49933145220
13237a9a2a4a089
14d15a0318361a
1561eee20b3870
hex30400f0b22f8

53051688428280 has 64 divisors (see below), whose sum is σ = 159155633410560. Its totient is φ = 14147066414208.

The previous prime is 53051688428273. The next prime is 53051688428329. The reversal of 53051688428280 is 8282488615035.

It is a happy number.

It is a Cunningham number, because it is equal to 72836592-1.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43094989 + ... + 44308931.

It is an arithmetic number, because the mean of its divisors is an integer number (2486806772040).

Almost surely, 253051688428280 is an apocalyptic number.

It is an amenable number.

53051688428280 is an abundant number, since it is smaller than the sum of its proper divisors (106103944982280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53051688428280 is a wasteful number, since it uses less digits than its factorization.

53051688428280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578140 (or 1578136 counting only the distinct ones).

The product of its (nonzero) digits is 29491200, while the sum is 60.

The spelling of 53051688428280 in words is "fifty-three trillion, fifty-one billion, six hundred eighty-eight million, four hundred twenty-eight thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 364183 728366 1092549 1213943 1456732 1820915 2185098 2427886 2913464 3641829 3641830 4370196 4855772 5462745 6069715 7283658 7283660 8740392 9711544 10925490 12139430 14567316 14567320 18209145 21850980 24278860 29134632 36418290 43701960 48557720 72836580 145673160 442097403569 884194807138 1326292210707 1768389614276 2210487017845 2652584421414 3536779228552 4420974035690 5305168842828 6631461053535 8841948071380 10610337685656 13262922107070 17683896142760 26525844214140 53051688428280